• 音标
  []　
• 词性及解释
  n. 门槛, 入口, 开端, 阈
  【计】 阈; 阈值
  【化】 阈; 阈值
  【医】 阈, 界限
  【经】 临界(值,点)
• 例句
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• 相关词条
  photodisintegration threshold excitation threshold activation threshold threshold illumination threshold operator sensor threshold quantizer threshold threshold neutron threshold strength identification threshold discriminating threshold Geiger's threshold threshold detector ketogenic threshold discriminating threshold stimulation threshold plasticity threshold touch threshold fault threshold runway threshold luminescence threshold lower threshold

n.
1. 门槛[C]
He had never crossed the threshold of a bar before.
他过去从未进过酒吧的门。
2. 出发点,开端,起点[S]
Scientists are on the threshold of a breakthrough in their treatment of that disease.
科学家在治疗那种疾病方面很快就要取得突破。
3. (税的)起征点[S]
The tax threshold for a pensioner is $6,000.
领退休金的人的纳税起点是六千美元。
4. 【生】【心】阈[C]
5. (工资、价格的)起增点